1313207071 has 24 divisors (see below), whose sum is σ = 1487938032. Its totient is φ = 1157270400.

The previous prime is 1313207069. The next prime is 1313207099. The reversal of 1313207071 is 1707023131.

It is not a de Polignac number, because 1313207071 - 2¹ = 1313207069 is a prime.

It is a super-2 number, since 2×1313207071² = 3449025622648798082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313202071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2332236 + ... + 2332798.

It is an arithmetic number, because the mean of its divisors is an integer number (61997418).

Almost surely, 2^1313207071 is an apocalyptic number.

1313207071 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1313207071 is a deficient number, since it is larger than the sum of its proper divisors (174730961).

1313207071 is a wasteful number, since it uses less digits than its factorization.

1313207071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143 (or 1132 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 25.

The square root of 1313207071 is about 36238.1990584521. The cubic root of 1313207071 is about 1095.0763611670.

The spelling of 1313207071 in words is "one billion, three hundred thirteen million, two hundred seven thousand, seventy-one".